# FORT GPS vs Precise Bubble Level

The clearest difference is in-app purchases: FORT GPS at none against Precise Bubble Level's 3. Precise Bubble Level's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Precise Bubble Level sells 3 in-app purchases, starting at $0.99 per 7 days. FORT GPS asks for nothing beyond the download.

## The numbers

| Metric | FORT GPS | Precise Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 11 days |
| Size | 70 MB | 49 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Willian Silva](https://appshunter.io/developer/1709821372) | [Turan Hurkan Ergunsu](https://appshunter.io/developer/1842106410) |

## What reviewers say

### FORT GPS

[App page](https://appshunter.io/ios/app/fort-gps/id6473955893)

**In-app purchases:** none


### Precise Bubble Level

[App page](https://appshunter.io/ios/app/precise-bubble-level/id6762563537)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | per 7 days |
| Remove Ads | $2.99 | per month |
| Remove Ads | $17.99 | per year |


## Frequently asked questions

### Is FORT GPS free?

FORT GPS is free to download, with no in-app purchases.

### Is Precise Bubble Level free?

Precise Bubble Level is free to download, with in-app purchases available.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*